#include <stdio.h>
#include <string.h>
#include <math.h>

main()
{
//	freopen("input","r",stdin);

	int n;

	while (1)
	{
		scanf("%d", &n);
		if (n==0) break;
		if (n>=3) printf("Bob\n");
		else printf("Alice\n");
	}
	return 0;
}